A Steerable DC-1 GHz all-pass filter-Sum RF space-time 2-D beam filter in 65 nm CMOS
Abstract
An electronically steerable broadband radio frequency (RF) filter-sum beamforming filter using 1st-order all-pass filters is proposed. The beamforming filter has the 2-D transfer function Ha (zx, sct), which uses M-section cascaded 1st-order all-pass filters and analog combiners as building blocks. Beam steering is achieved by tuning the group delay of the all-pass filters via a control voltage. For beam directions ψ ≤ 20ofrom array broadside, M = 1 provides close to ideal broadband response, and 120°. The array factor of the beamformer is evaluated using 65 nm CMOS BSIM 4 simulations of the all-pass filters and a 4-channel RF combiner for a linear antenna array of 4 antennas and is shown to provide steerable beams at 1 GHz. The CMOS simulations verify a broadband response from DC to 1 GHz.
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The factor e−jωτ associated with analog DVM beamforming can be efficiently approximated on chip by CMOS APFs.
“The factor e−jωτ is associated with the factorization of the AN and can be efficiently approximated on chip by CMOS APFs [7,8,9,10,11,48,49].”
From Thiran Filters for Wideband DSP-Based Multi-Beam True Time Delay RF Sensing Applications (2024) · cites this paper as [48]
Cites
Beamforming: a versatile approach to spatial filtering
Van Veen, B. D., & Buckley, K. M. (1988) · IEEE ASSP Magazine · doi:10.1109/53.665 · Cited by 3,901 · see citing works
Godara, L. C. (1997) · Proceedings of the IEEE · doi:10.1109/5.622504 · Cited by 2,075 · see citing works
RF Analog Beamforming Fan Filters Using CMOS All-Pass Time Delay Approximations
Wijenayake, C. A., Xu, Y., Madanayake, A., Belostotski, L., & Bruton, L. T. (2012) · IEEE Transactions on Circuits and Systems I Regular Papers · doi:10.1109/tcsi.2012.2185294 · Cited by 74 · see citing works
Self-citationKrishnaswamy, H., Valdes‐Garcia, A., & Lai, J.-W. (2010) · IEEE International Symposium on Phased Array Systems and Technology (PAST) · doi:10.1109/array.2010.5613365 · Cited by 44 · see citing works
Analysis and Design of UWB Vivaldi Antenna
Li, T., Yu-ping, R., & Zhong-xia, N. (2007) · doi:10.1109/mape.2007.4393685 · Cited by 41 · see citing works
Krishnaswamy, H., & Hashemi, H. (2010) · Digest of technical papers/Digest of technical papers - IEEE International Solid-State Circuits Conference · doi:10.1109/isscc.2010.5433954 · Cited by 40 · see citing works
Challenges and opportunities in ultra-wideband antenna-array transceivers for imaging
Hashemi, H., & Krishnaswamy, H. (2009) · IEEE International Conference on Ultra-Wideband (ICUWB) · doi:10.1109/icuwb.2009.5288818 · Cited by 13 · see citing works
Beamformer ASIC in UHF-L band for the square kilometer array international project
Bosse, S., Barth, S., Torchinsky, S. A., et al. (2010) · European Microwave Integrated Circuits Conference · Cited by 9 · see citing works
Analog 2D fan filters from discrete domain transfer functions
Madanayake, A., Belostotski, L., Wijenayake, C., et al. (2011) · doi:10.1109/iscas.2011.5937897 · Cited by 9 · see citing works
Self-citationIwakura, H. (1993) · IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing · doi:10.1109/82.260245 · Cited by 8 · see citing works
Performance Analysis of a Broadband Beamforming Structure Without Tapped Delay-Lines
Lin, N., Liu, W., & Langley, R. (2007) · doi:10.1109/icdsp.2007.4288649 · Cited by 4 · see citing works
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Perera, S. M., Ariyarathna, V., Udayanga, N., Madanayake, A., Wu, G., Belostotski, L., Wang, Y., Mandal, S., Cintra, R. J., & Rappaport, T. S. (2018) · IEEE Journal of Selected Topics in Signal Processing · doi:10.1109/jstsp.2018.2822940 · Cited by 50 · see citing works
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Ariyarathna, V., Udayanga, N., Madanayake, A., Perera, S. M., Belostotski, L., & Cintra, R. J. (2017) · 2017 Moratuwa Engineering Research Conference (MERCon) · doi:10.1109/mercon.2017.7980488 · Cited by 11 · see citing works
Self-citationA Fast DVM Algorithm for Wideband Time-Delay Multi-Beam Beamformers
Perera, S. M., Lingsch, L., Madanayake, A., Mandal, S., & Mastronardi, N. (2022) · IEEE Transactions on Signal Processing · doi:10.1109/tsp.2022.3231182 · Cited by 11 · see citing works
Self-citationThiran Filters for Wideband DSP-Based Multi-Beam True Time Delay RF Sensing Applications
Perera, S. M., Rathnasekara, G., & Madanayake, A. (2024) · Sensors · doi:10.3390/s24020576 · Cited by 5 · see citing works
Self-citation
- Authors
- Wijenayake, C., Madanayake, A., Xu, Y., Belostotski, L., & Bruton, L. T.
- Affiliations
- University of Akron (US)
- University of Calgary (CA)
- Venue
- 2013 IEEE International Symposium on Circuits and Systems (ISCAS2013)
- Publisher
- IEEE
- Published
- 2013-05
- Pages
- 1276-1279
- ISSN
- 0271-4302 (ISSN-L)
- OpenAlex
- W1965398117
- Cited by
- 19
- References
- 11
- Citations by year
- 2024: 1 · 2023: 1 · 2022: 2 · 2021: 1 · 2020: 3 · 2019: 4 · 2018: 2 · 2017: 4 · 2014: 1
- FWCI
- 0.41
- Type
- conference paper
- Language
- en
- Open access
- closed
- Locations
- IEEE International Symposium on Circuits and Systems proceedings (publishedVersion)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Radio Frequency Integrated Circuit Design
- Physical Sciences › Engineering › Biomedical Engineering › Analog and Mixed-Signal Circuit Design
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Microwave Engineering and Waveguides
- Keywords
- electronically steerable antenna arrays, all-pass filter, two-dimensional beam steering, 65 nm CMOS, linear antenna arrays, array factor, RF integrated circuits
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